How severe is CVE-2025-61728?

CVE-2025-61728 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2025-61728 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-61728?

CVE-2025-61728 affects Golang Go. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-61728?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-61728 have an EU (EUVD) identifier?

Yes. CVE-2025-61728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206432.

When was CVE-2025-61728 published?

CVE-2025-61728 was published on 2026-01-28 and last updated on 2026-06-17.

CVE-2025-61728

CVE-2025-61728 is a medium-severity vulnerability in Golang Go with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-206432
Weakness: CWE-770
Affected product: Golang Go
Published: 2026-01-28
Last modified: 2026-06-17

Description

archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is opened. This can lead to a denial of service when consuming a maliciously constructed ZIP archive.

Frequently asked questions

What is CVE-2025-61728?: archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is opened. This can lead to a denial of service when consuming a maliciously constructed ZIP archive.
How severe is CVE-2025-61728?: CVE-2025-61728 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2025-61728 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-61728?: CVE-2025-61728 affects Golang Go. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-61728?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-61728 have an EU (EUVD) identifier?: Yes. CVE-2025-61728 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206432.
When was CVE-2025-61728 published?: CVE-2025-61728 was published on 2026-01-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*

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